Hi Pavel, I just updated my rtems-git repository and see these changes. It runs on the Pi 2, Pi A+, Model B, and Pi Zero for me. I definitely see the speedup in the benchmarks.
Thanks! Alan > On Jul 17, 2016, at 6:48 PM, p...@cmp.felk.cvut.cz wrote: > > From: Pavel Pisa <p...@cmp.felk.cvut.cz> > > The changes correct libdl operation on targets which do not snoop > data change during instruction cache fill. > > Text section/the first 1 MB of data has been noncacheable > after VideoCore support inclusion. Enabling cache of this > area has revealed problem with stalled data left by loader > in the cache. Cache manager updates overcomes these troubles. > > The changes lead to 40x speedup of dhrystones test on RPi2 > and 20x on RPi1. > > There is still some problem with VideoCore graphic support. > VideoCore mailbox seems to work correctly for other simpler > operation but some parameters during graphic setup lead > to error. > > Pavel Pisa (6): > arm/raspberrypi: cache manager can be used for mailbox synchronization > now. Remove workarounds. > bsps/arm: do not disable MMU during translation table management > operations. > arm/bsps: CP15 and basic cache support entire cache clean for more > architecture variants now. > arm/raspberrypi: use cache manager operations to flush/invalidate all > cache levels. > arm/raspberrypi: reorder and update MMU config table to nor force RW > section later to RO. > libdl/rtl-obj.c: synchronize cache after code relocation. > > c/src/lib/libbsp/arm/raspberrypi/misc/vc.c | 35 +---------- > .../libbsp/arm/raspberrypi/startup/bspstarthooks.c | 14 ++--- > .../arm/raspberrypi/startup/mm_config_table.c | 31 +++++++--- > .../libbsp/arm/shared/arm-cp15-set-ttb-entries.c | 50 +++++++++++++--- > .../arm/shared/armv467ar-basic-cache/cache_.h | 22 ++++++- > c/src/lib/libbsp/arm/shared/include/arm-cache-l1.h | 6 +- > c/src/lib/libcpu/arm/shared/include/arm-cp15.h | 60 ++++++++++++++++++- > cpukit/libdl/rtl-elf.c | 3 + > cpukit/libdl/rtl-obj.c | 67 +++++++++++++++++++++- > cpukit/libdl/rtl-obj.h | 9 +++ > cpukit/libdl/rtl-rap.c | 3 + > 11 files changed, 235 insertions(+), 65 deletions(-) > > -- > 1.9.1 > _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel
